Seagate weighs in:

https://arstechnica.com/information-tech...d-smr-dont-mix/

Belloni confirmed that Seagate is using SMR technology in some desktop hard drives but stressed that the company is not "submarining" SMR disks into NAS (Network Attached Storage) channels.

Seagate confirms that we do not utilize Shingled Magnetic Recording technology (SMR) in any IronWolf or IronWolf Pro drives—purpose-built for NAS solutions. Seagate always recommends to use the right drive for the right application.